Ford Mustang (1999-2004) Service Manual: Transmission Description (Description and Operation)
The 4R70W has the following features:
- Wide ratio gears
- Four speeds
- Rear wheel drive
- Automatic
- Electronic shift
- Torque converter clutch control
- Line pressure controls
The transmission uses Ravigneaux-style double-pinion gearset with two bands, one one-way roller clutch, one mechanical diode and four friction clutches to produce four forward gears and Reverse.
4R70W Automatic Transmission

Automatic Transaxle/Transmission
General Specifications
a - MERCON V is not interchangeable at this time with the current MERCON
fluids. Check the
transmission fluid level indicator to determine the correct fluid and refer to
the ...
Identification Tags
All vehicles are equipped with a Vehicle Certification Label, located
on the driver side door lock post.
For correct transmission identification, refer to the code in the space
marked TR.
...
Other materials:
Transmission Fluid Cooler Tubes
Removal
1. Disconnect the battery cables.
2. Raise and support the vehicle. For additional information, refer to Section.
3. Remove the nuts.
4. Remove the fluid cooler tube bracket at the engine.
5. NOTE: Use a backup wrench to hold the case fitting sec ...
Clearing all MyKeys
You can clear all MyKeys within the same key cycle as you created the
MyKey. If you switch your ignition off, however, you will need to use an
admin key to clear your MyKeys.
Note: When you clear your MyKeys, you remove all restrictions and
return all MyKeys ...
Inspection and Verification
WARNING: A vehicle equipped with a Traction-Lok differential will
always have both
wheels driving. If, while the vehicle is being serviced, only one wheel is
raised off the ground
and the rear axle is driven by the engine, the wheel on the ground could drive ...
